jacquesmattheij.com

.com crawl

First seen 2026-05-31 · Last seen 2026-05-31 · ok HTTP/1.1 200 292 ms crawled 2026-06-01

NL · 5.79.86.24 · AS60781 LeaseWeb Netherlands B.V.

Reputation 100/100

Classifying

HTML metadata

Title

Jacques Mattheij

Language

Generator

Hugo (http://gohugo.io)

Canonical

https://jacquesmattheij.com/

Feeds

sshq Atom

Technology

Server: nginx
CMS: Hugo

Social

Registration

Registrar

Moniker Online Services LLC

Created

2007-03-21

Expires

2027-03-21 290 days left

Updated

2026-03-21

Name servers

box.modularcompany.com

DNS records live

NS

ns1.box.modularcompany.com
ns3.mattheij.com

MX

10 box.modularcompany.com

Email authentication strong

SPF

v=spf1 mx -all

strict (-all)

DMARC

v=DMARC1; p=quarantine

policy: quarantine

DKIM

mail: v=DKIM1; k=rsa; s=email; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxM0OAK9rgEH0czbaGQqsBIEUIDwWHdTXt1ukVfQ/tSl2GzMhMtLuuNzYUasUxxGrTa9v8…

selectors probed

Certificate (current)

R12

from 2026-04-27 to 2026-07-26

Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://jacquesmattheij.com/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=15768000